Greatest Common Factor of 40, 45, 85, 65

Greatest common factor or Greatest common divisor (GCD) can be calculated in two ways

• Greatest Common Factor of 40, 45, 85, 65 by common division method
• Greatest Common Factor of 40, 45, 85, 65 with matching the biggest common factor

Maximum 4 Number can be enter but you can reset

∴ So the GCF of the given numbers is 5 = 5

Factors of 40

List of positive integer factors of 40 that divides 40 without a remainder.

1,2,4,5,8,10,20,40

Factors of 45

List of positive integer factors of 45 that divides 45 without a remainder.

1,3,5,9,15,45

Factors of 85

List of positive integer factors of 85 that divides 85 without a remainder.

1,5,17,85

Factors of 65

List of positive integer factors of 65 that divides 65 without a remainder.

1,5,13,65

Greatest Common Factor

We found the factors 40,45,85,65 . The biggest common factor number is the GCF number.
So the greatest common factor 40,45,85,65 is 5.

Here are some samples of GCF of two or more Numbers calculations.

• GCF of 28, 43, 80, 27
• GCF of 68, 39, 98, 34
• GCF of 59, 44, 38, 35
• GCF of 79, 50, 97, 30
• GCF of 95, 63, 11, 91

1. What is the GCF of 40, 45, 85, 65?

Answer: GCF of 40, 45, 85, 65 is 5.

2. How to Find the GCF of 40, 45, 85, 65

Answer: Greatest Common Factor(GCF) of 40, 45, 85, 65 = 5

Step 1: Divide all the numbers with common prime numbers having remainder zero.

Step 2: Then multiply all the prime factors GCF(40, 45, 85, 65) = 5.